linux-kernel - [PATCH v2 1/2] watchdog: iTCO-wdt handle 5th variation for Apollo Lake

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Message-Id: <1466123817-50679-2-git-send-email-jonathan.yong@intel.com>
Date:	Fri, 17 Jun 2016 00:36:56 +0000
From:	"Yong, Jonathan" <jonathan.yong@...el.com>
To:	linux-watchdog@...r.kernel.org, platform-driver-x86@...r.kernel.org
Cc:	qipeng.zha@...el.com, linux@...ck-us.net, dvhart@...radead.org,
	linux-kernel@...r.kernel.org, jonathan.yong@...el.com
Subject: [PATCH v2 1/2] watchdog: iTCO-wdt handle 5th variation for Apollo Lake

The Apollo Lake Watchdog has the no_reboot flag in the 4th bit.

Signed-off-by: Yong, Jonathan <jonathan.yong@...el.com>
---
 drivers/watchdog/iTCO_wdt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 0acc6c5..54cab18 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -150,6 +150,7 @@ static inline u32 no_reboot_bit(void)
 	u32 enable_bit;
 
 	switch (iTCO_wdt_private.iTCO_version) {
+	case 5:
 	case 3:
 		enable_bit = 0x00000010;
 		break;
@@ -512,6 +513,7 @@ static int iTCO_wdt_probe(struct platform_device *dev)
 
 	/* Clear out the (probably old) status */
 	switch (iTCO_wdt_private.iTCO_version) {
+	case 5:
 	case 4:
 		outw(0x0008, TCO1_STS);	/* Clear the Time Out Status bit */
 		outw(0x0002, TCO2_STS);	/* Clear SECOND_TO_STS bit */
-- 
2.7.3